Patent Leaderboard
All Time
2025
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
2006
2005
2004
2003
2002
2001
2000
1999
1998
1997
1996
1995
1994
1993
1992
1991
1990
1989
1988
1987
1986
1985
1984
1983
1982
1981
1980
Search
Companies
Inventors
Cities
States
Hitachi, JP
1989
616 patents · 429 inventors
Ranked
#39
of 20,767 cities
Top 1%
Showing 101–150 of 429 inventors
Rank
Inventor
Primary Company
Patents
#39
Shunichi Numata
Hitachi
2
#39
Takeo Honma
Hitachi
2
#39
Haruo Akahoshi
Hitachi
2
#39
Ikuo Yamato
Hitachi
2
#39
Youichi Ohshita
Hitachi
2
#39
Kiyoshi Namura
Hitachi
2
#39
Hirokazu Kasajima
Hitachi
2
#39
Shuji Eguchi
Hitachi
2
#39
Moriaki Fuyama
Hitachi
2
#39
Katsuhiko Asano
Hitachi
2
#39
Tomoe Kurosawa
Hitachi
2
#39
Fumio Jyoraku
Hitachi
2
#39
Hironobu Kobayashi
Hitachi
2
#39
Mitsuru Hashimoto
Ricoh Company
2
#39
Yoshio Kawamata
Shibaura Mechatronics
2
#116
Shintaroo Hattori
Hitachi
1
#116
Tomohiko Shida
Hitachi
1
#116
Kenichi Sohma
Hitachi
1
#116
Shigeki Tsuchitani
Hitachi
1
#116
Teruo Kumagai
Hitachi
1
#116
Masaharu Tadauchi
Hitachi
1
#116
Kohdo Yamada
Hitachi Cable
1
#116
Noboru Azusawa
Hitachi
1
#116
Shigeru Kajiyama
Hitachi
1
#116
Yasuyuki Kozima
Hitachi
1
#116
Mitsuo Suda
Hitachi
1
#116
Takashi Naitoh
Hitachi
1
#116
Norihira Uozumi
Hitachi
1
#116
Kazuo Kera
Hitachi
1
#116
Hisanori Toyoshima
Hitachi
1
#116
Kosho Ishizaki
Hitachi
1
#116
Tadao Arakawa
Hitachi
1
#116
Yosimi Maeno
Hitachi
1
#116
Eisaburo Sakou
Hitachi
1
#116
Keiichi Kuniya
Hitachi
1
#116
Shuji Musha
Hitachi
1
#116
Tadaaki Mishima
Hitachi
1
#116
Humio Shibata
Kabushiki Kaisha Toshiba
1
#116
Tomohiko Yanagita
Hitachi
1
#116
Katuyuki Hunahata
Hitachi
1
#116
Kunko Kitami
Hitachi
1
#116
Toshihide Ujihara
Hitachi
1
#116
Akio Tadokoro
Hitachi
1
#116
Yasuhiro Yasaka
Hitachi
1
#116
Koji Tsumaki
Hitachi
1
#116
Tsuneyuki Hashimoto
Hitachi
1
#116
Yoshiki Noguchi
Hitachi
1
#116
Yasuo Morooka
Hitachi
1
#116
Ryozo Takeuchi
Hitachi
1
#116
Susumu Yoshioka
Mitutoyo
1
« Prev
1
2
3
4
5
Next »